SYNTHESIS OF POLY(HEMISPHERAND) VIA CYCLOPOLYMERIZATION OF DIEPOXIDE

被引：4
|
作者：
KAKUCHI, T [1 ]
HABA, O [1 ]
HARADA, Y [1 ]
HASHIMOTO, H [1 ]
YOKOTA, K [1 ]
机构：
[1] TOMAKOMAI NATL COLL TECHNOL,DEPT IND CHEM,TOMAKOMAI 05912,JAPAN
来源：
POLYMER BULLETIN | 1992年 / 27卷 / 06期
关键词：
D O I：
10.1007/BF00297428
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Cyclopolymerization of 2,6-bis[3-(4,5-epoxy-2-oxapentyl)-2-methoxy-5-methylphenyl]-4-methylanisole was carried out with cationic, anionic, and coordination catalysts. The polymers obtained with BF3.OEt2 or SnCl4 in dichloromethane and with t-BuOK in DMSO were soluble in benzene, chloroform, and THF. The mole fractions of the cyclic units in these polymers were from 0.65 to 0.75. The resulting poly(hemispherand) bound alkali metal cations and the selectivity was in the order of Rb+ > K+ > Cs+ > Na+ > Li+.
引用
收藏
页码：599 / 605
页数：7
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